单项选择题
A.In sight of another B.Sights the another C.Not in sight of the other D.In sight of one another
When a vessel is in any doubt as to whether such a situ...
单项选择题When a vessel is in any doubt as to whether such a situation exists she shall（）that it does exist and act accordingly.
A.consume B.assume C.perfume D.resume
Vessels should maintain a sharp lookout，especially duri...
单项选择题Vessels should maintain a sharp lookout，especially during December through March，when navigating the right whale’s only known calving grounds which lie off the coasts of（）.
A.Nova Scotia B.Maine and Massachusetts C.Georgia and NE Florida D.California and Mexico
Vessel engaged in the launching or recovery of aircraft...
单项选择题Vessel engaged in the launching or recovery of aircraft is called（）．
A.A vessel restricted in her ability to maneuver B.A vessel not under command C.A vessel constrained by her draught D.A vessel not under way
